Home / 687,922-1,042,269

Finding the Third Proportional to 687,922 and 1,042,269

Calculator

Solution

The third proportional to 687,922 and 1,042,269 is: 1,579,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,922 : 1,042,269 = 1,042,269 : x
  2. Step 2: Convert to fraction form
    687,922/1,042,269 = 1,042,269/x
  3. Step 3: Cross multiply
    687,922x = 1,042,269 × 1,042,269
  4. Step 4: Simplify right side
    687,922x = 1,086,324,668,361
  5. Step 5: Solve for x
    x = 1,086,324,668,361/687,922
  6. Step 6: Final answer
    x = 1,579,139.30

Related Problems

Find third proportional to 343,961 and 521,134.50
Half scale
Find third proportional to 1,375,844 and 2,084,538
Double scale
Find third proportional to 687,924 and 1,042,272
Similar ratio
Find third proportional to 1,031,883 and 1,563,403.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.